Add map of VLA types and their sizes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 952c3b3..5c4246f 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -166,6 +166,11 @@
/// statement range in current switch instruction.
llvm::BasicBlock *CaseRangeBlock;
+ // VLASizeMap - This keeps track of the associated size for each VLA type
+ // FIXME: Maybe this could be a stack of maps that is pushed/popped as
+ // we enter/leave scopes.
+ llvm::DenseMap<const VariableArrayType*, llvm::Value*> VLASizeMap;
+
/// StackSaveValues - A stack(!) of stack save values. When a new scope is
/// entered, a null is pushed on this stack. If a VLA is emitted, then
/// the return value of llvm.stacksave() is stored at the top of this stack.
@@ -344,6 +349,10 @@
// instruction in LLVM instead once it works well enough.
llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty);
+ // GetVLASize - Returns an LLVM value that corresponds to the size in bytes
+ // of a variable length array type.
+ llvm::Value *GetVLASize(const VariableArrayType *);
+
//===--------------------------------------------------------------------===//
// Declaration Emission
//===--------------------------------------------------------------------===//